你的最不满意的顾客是你最大的学习源。
Your most unhappy customers are your greatest source of learning.
Show me a hero and I'll write you a tragedy.
I don't let the world change my heart.
选择那些傻瓜也能经营的企业——因为迟早会有傻瓜来经营它。
In a crisis, the priority is to stop the bleeding.